<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
    <head>
        <meta charset="UTF-8">
        <title>123</title>
        <link rel="stylesheet" th:href="@{/css/test.css}">
    </head>
    <body>
        <h1 class="test" th:text="${admin}"></h1>
    </body>
</html>